Home / 16,389.08-22,619.64-9,676.34

Finding the Fourth Proportional to 16,389.08, 22,619.64 and 9,676.34

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Solution

The fourth proportional to 16,389.08, 22,619.64 and 9,676.34 is: 13,354.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,389.08 : 22,619.64 = 9,676.34 : x
  2. Step 2: Convert to fraction form
    16,389.08/22,619.64 = 9,676.34/x
  3. Step 3: Cross multiply
    16,389.08x = 22,619.64 × 9,676.34
  4. Step 4: Simplify right side
    16,389.08x = 218,875,327.32
  5. Step 5: Solve for x
    x = 218,875,327.32/16,389.08
  6. Step 6: Final answer
    x = 13,354.95

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.